| /* |
| |
| Licensed to the Apache Software Foundation (ASF) under one or more |
| contributor license agreements. See the NOTICE file distributed with |
| this work for additional information regarding copyright ownership. |
| The ASF licenses this file to You under the Apache License, Version 2.0 |
| (the "License"); you may not use this file except in compliance with |
| the License. You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| |
| */ |
| package org.apache.batik.apps.svgbrowser; |
| |
| /** |
| * The undoable/redoable command. |
| * |
| * @version $Id$ |
| */ |
| public interface UndoableCommand { |
| |
| /** |
| * Executes this command. |
| */ |
| void execute(); |
| |
| /** |
| * Performs undo for this command. |
| */ |
| void undo(); |
| |
| /** |
| * Performs redo for this command. |
| */ |
| void redo(); |
| |
| /** |
| * Gets the command name. |
| */ |
| String getName(); |
| |
| /** |
| * Tests if the command can be executed. |
| * |
| * @return True if command should be executed |
| */ |
| boolean shouldExecute(); |
| } |